backend/ExamKing.Core/Entities/Exam/TbSelect.cs

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using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations.Schema;
using Furion.DatabaseAccessor;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;

#nullable disable

namespace ExamKing.Core.Entites
{
    public partial class TbSelect : IEntity, IEntityTypeBuilder<TbSelect>
    {
        public int Id { get; set; }
        public string Question { get; set; }
        public string Answer { get; set; }
        public string IsSingle { get; set; }
        public int CourseId { get; set; }
        public int ChapterId { get; set; }
        public int TeacherId { get; set; }
        public string OptionA { get; set; }
        public string OptionB { get; set; }
        public string OptionC { get; set; }
        public string OptionD { get; set; }
        public string Ideas { get; set; }
        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
        public DateTimeOffset CreateTime { get; set; }

        public TbChapter Chapter { get; set; }
        public TbCourse Course { get; set; }
        public TbTeacher Teacher { get; set; }

        public void Configure(EntityTypeBuilder<TbSelect> entityBuilder, DbContext dbContext, Type dbContextLocator)
        {

            {
                entityBuilder.ToTable("tb_select");

                entityBuilder.HasComment("选择题表");

                entityBuilder.HasIndex(e => e.ChapterId, "select_chapter_id");

                entityBuilder.HasIndex(e => e.Id, "select_id")
                    .IsUnique();

                entityBuilder.HasIndex(e => e.CourseId, "select_source_id");

                entityBuilder.HasIndex(e => e.TeacherId, "select_teacher_id");

                entityBuilder.Property(e => e.Id)
                    .HasColumnName("id")
                    .HasComment("ID");

                entityBuilder.Property(e => e.Answer)
                    .IsRequired()
                    .HasColumnType("varchar(50)")
                    .HasColumnName("answer")
                    .HasComment("答案")
                    .HasCharSet("utf8")
                    .HasCollation("utf8_general_ci");